Question 1065251
3x-9y=1
9y=3x-1
y=(1/3)x-(1/9), with slope (1/3)
Slope of the perpendicular line is -3, which you have.
Point-slope formula is y-1=-3(x+1) or y-1=-3x-3
y=-3x-2 as you have
{{{graph(300,300,-10,10,-10,10,(x/3)-(1/9),-3x-2)}}}